Yes as long as your device is eligible for a Mint eSIM. You can check your phones eSIM compatibility on http://mintmobile.com/esim. Please not the phone must be unlocked, and installing your eSIM will deactivate your existing sim.
To get a replacement eSIM, log into the Mint app, head to Settings > SIM > Replacement SIM.
We give you the first eSIM free of charge. If you ever want to switch back to a physical SIM at any time no problem. Just order a Replacement SIM through account management.